A company's inventory records report the following:

$\backslash$table$[[$Date$,$Activities,Units Acquired at Cost,Units Sold at Retail$],[$August $1,$Beginning inventory,$15$ units @$$32=$$$480,],[$August $5,$Purchase,$10$ units @ $$33=$$$330,],[$August $12,$Purchase,$20$ units @$$34=$$$680,],[$August $15,$Sales,,$30$ units sold$]]$

Using the FIFO perpetual inventory method, what is the value of the inventory at August $15$ after the sale?

Multiple Choice

$$1,490$

$$980$

$$510$

$$260$

$$340$